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SPP, SPP-2 / СПП, СПП-2 sapper wire

Technical characteristics of the sapper cable according to State Standard GOST 2190-77

  • Sapper cable made according to State Standard GOST 2190-77;
  • Maximum working temperature of sapper cable -50°C to +60°C, permissible relative humidity at +35°C – 98%;
  • Resistivity of cable core to direct current with 1 km length;
  • For single-core wire – no more than 39.5 Ohm;
  • For double-core no more 41,0 Ohm;
  • Nominal voltage of sapper wire 50 Hz frequency - 380V; Uconst. – 1 kV;
  • Testing alternating voltage of sapper wire 50 Hz frequency - 2kV;
  • Tear resistance of wires (no less): single-core – 225N (25kgf), double-core – 441 N (45 kgf).

Structure of sapper wire SP

  • Copper multi-wired conducting core 0,5 mm² section, MT grade by Company Standard 662 RK-3812-4-134-00, fourth grade according to State standard GOST 22483-77;
  • Cores insulation made of compose of PET according to State Standard GOST 16336-77;
  • Insulated cores of double-cored wire are twisted.

Application of sapper wire

The wires are made to transfer direct current up to 1 kV or alternating voltage up to 380V with 50 Hz frequency.

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